Name: CVE-2026-49765: Deserialization of Untrusted Data
Creator: Rapid7
Published: 2026-06-15T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-49765, CWE-502, CVSS 9.8, EPSS 0.00564

Unauthenticated PHP Object Injection in Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms <= 1.1.8 versions.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Cf7 Mailchimp Plugin	—	Update cf7-mailchimp plugin to version 1.1.9, or a newer patched version	Jun 9, 2026	Jun 4, 2026

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CVSS Details

Covered by Rapid7

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